CN212518543U - Mobile low-voltage power grid running state on-line monitoring device - Google Patents
Mobile low-voltage power grid running state on-line monitoring device Download PDFInfo
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- CN212518543U CN212518543U CN202021335653.2U CN202021335653U CN212518543U CN 212518543 U CN212518543 U CN 212518543U CN 202021335653 U CN202021335653 U CN 202021335653U CN 212518543 U CN212518543 U CN 212518543U
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Abstract
A mobile low-voltage power grid operation state on-line monitoring device is provided. The method is characterized in that: the system comprises low-voltage power grid operation state online monitoring equipment and handheld equipment; the low-voltage power grid operation state on-line monitoring equipment comprises a detection unit and a host; the host computer comprises a central processing unit, a memory, a communication board and a power supply, wherein the central processing unit is connected with the detection unit, the memory is connected with the central processing unit, and the communication board is connected with the central processing unit and used for forming communication connection with the handheld device. The on-line monitoring device has the advantages that the memory is additionally arranged in the host of each low-voltage power grid operation state on-line monitoring device and used for storing detection data of the on-line monitoring device, meanwhile, the handheld device and the communication board are arranged, and the handheld device and the communication board are connected through communication, so that the memory can be accessed, the operation state of each branch line can be subjected to targeted data, the branch lines can be controlled conveniently, and operability is improved.
Description
Technical Field
The utility model relates to a monitoring facilities technical field, concretely relates to portable low voltage electric wire netting running state on-line monitoring device.
Background
The low-voltage line comprises a low-voltage overhead line, a low-voltage overhead insulated line, a low-voltage cable line and an indoor distribution line, is used for directly transmitting electric energy to low-voltage electric equipment, and is an important component of a low-voltage distribution system (see low-voltage distribution).
However, at present, the monitoring of low voltage electric network running state mainly relies on platform district's summary table and load monitor to realize, as the power consumption parameter acquisition device of a change platform based on multiple local wireless communication technique that china utility model patent (CN 209786872U) disclosed, power consumption parameter acquisition device gathers branch circuit voltage and electric current data to through multiple wireless communication technique with data transmission to the distribution platform district.
Although the distribution room summary table can receive the collected data of each electricity consumption parameter collecting device, the distribution room summary table can only obtain the overall operation condition data of each low-voltage distribution room, and the specific operation state of each branch line in the low-voltage distribution room cannot obtain targeted data.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a portable low voltage electric wire netting running state on-line monitoring device.
The utility model discloses the technical scheme who adopts: a mobile low-voltage power grid running state on-line monitoring device comprises low-voltage power grid running state on-line monitoring equipment and handheld equipment; the low-voltage power grid operation state online monitoring equipment comprises a detection unit and a host; the detection unit is connected with a measuring point of the branch circuit and is used for data detection of the branch circuit; the host computer comprises a central processing unit, a memory, a communication board and a power supply, wherein the central processing unit is connected with a detection unit and used for receiving and processing detection data, the memory is connected with the central processing unit and used for storing the detection data, and the communication board is connected with the central processing unit and used for forming communication connection with the handheld device.
The detection unit includes a current detection portion and a voltage detection portion.
The host machine also comprises a display panel, and the display panel is connected with the central processing unit and used for displaying the detection data in real time.
The handheld device comprises a shell, wherein a mounting groove is formed in one side of the shell, a signal antenna is installed in the mounting groove, and the signal antenna is provided with a first position extending out of the mounting groove and a second position stored in the mounting groove.
A fixed block and a sliding rod are arranged in the mounting groove; fixed block fixed mounting is at the inner wall of mounting groove, and sets up the spout that is "protruding" font in the fixed block outside, slide bar one end correspondence is the T type, can follow the spout and control the action of sliding, signal antenna rotates the other end of installing at the slide bar, and signal antenna adopts retractable signal antenna.
The signal antenna is characterized in that one end of the signal antenna is provided with a through hole, a bearing is fixedly arranged in the through hole, and one side of the sliding rod penetrates through an inner ring of the bearing and is welded with the inner ring of the bearing.
The utility model has the advantages that: by adopting the scheme, the memory is additionally arranged in the host of each low-voltage power grid running state on-line monitoring device and used for storing the detection data of the host, the handheld device and the communication board are arranged, and the memory can be accessed through communication connection of the handheld device and the communication board, so that the running state of each branch line can be subjected to targeted data, the branch lines can be controlled conveniently, and the operability is improved.
Drawings
Fig. 1 is a block diagram of the mobile low-voltage grid operation state online monitoring device according to the embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a structural portion of a handheld device according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a structural portion of a handheld device according to an embodiment of the present invention.
Fig. 4 is an enlarged view of a portion a of fig. 3.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
as shown in the figure, the mobile low-voltage power grid running state online monitoring device comprises a handheld device and a low-voltage power grid running state online monitoring device, wherein the low-voltage power grid running state online monitoring device comprises a detection unit and a host, and the host comprises a central processing unit, a storage, a communication board and a power supply.
The handheld device comprises a shell 1, a microprocessor is arranged inside the shell 1, a display screen 2, a direction pressure plate 3 and an adjusting knob 4 are arranged on the surface of the shell 1, and a signal antenna 9 is arranged outside the shell 1.
The detection unit comprises a current detection part and a voltage detection part and is connected with a measuring point of a branch circuit, the detection unit has the functions of three-phase input voltage and three-phase input current, and can sample voltage and current so as to obtain current information and voltage information. The current detection part and the voltage detection part are conventional technologies, for example, the current detection part includes a coil and a current transformer, and the voltage detection part employs a voltage transformer, which is not described in detail herein.
The central processing unit has information processing and operation capability, is connected with the detection unit, can receive the three-phase input voltage and the three-phase input current obtained by the detection unit, and can obtain a phase angle, a zero sequence current, a zero sequence voltage, active and reactive power and power factors of each phase, total active and reactive power and power factors of three phases and the like between each phase voltage and current through calculation.
The memory is connected with the central processing unit, and the central processing unit can store the obtained running state detection data such as current, voltage and the like into the memory.
The communication board is connected with the central processing unit and can form communication connection with the handheld device, and the handheld device can be connected with the central processing unit through the communication board so as to access and check the memory.
The working principle of the mobile low-voltage power grid operation state on-line monitoring device is as follows: when the device is used, the detection unit has the functions of three-phase input voltage and three-phase input current, the voltage and the current can be sampled and sent to the central processing unit through the current detection part and the voltage detection part, the central processing unit can obtain a phase angle, a zero sequence current, a zero sequence voltage, active power and reactive power of each phase and a power factor, total active power and reactive power of three phases and a power factor between each phase voltage and each current through calculation, measured branch line data are stored on the storage, the storage can be accessed through the set handheld device, and targeted data are obtained.
By adopting the scheme, on the basis of the prior art, the memory, the communication board and the handheld device are further added, the memory is used for storing information, and the handheld device is in communication connection with the communication board to access the memory, so that the running state of each branch line can be subjected to targeted data, the branch line can be controlled conveniently, and the operability is improved.
In addition, the host computer also comprises a display panel, the display panel is connected with the central processing unit and is used for displaying the detection data in real time, and the data can be directly observed and recorded under the condition that no handheld equipment is provided.
As shown in fig. 2 to 4, one side of the housing 1 of the handheld device is provided with an installation groove 5, and a fixed block 6 and a sliding rod 8 are arranged in the installation groove 5.
Fixed block 6 fixed mounting is at the inner wall of mounting groove 5, and sets up the spout 7 that is "protruding" font in the fixed block outside, 8 one end correspondences of slide bar are the T type, can follow spout 7 and control the action of sliding, signal antenna 9 rotates the other end of installing at slide bar 8, and signal antenna 9 adopts retractable signal antenna.
A through hole is formed in one end of the signal antenna 9, a bearing 10 is fixedly installed in the through hole, and one side of the sliding rod 8 penetrates through an inner ring of the bearing and is welded with the inner ring of the bearing, so that the sliding rod is convenient to rotate.
When the handheld equipment needs to be used, the sliding rod 8 is pulled out outwards, then the signal antenna 9 is rotated to be kept vertical, the signal antenna 9 is lengthened to ensure communication signals, the strength of the received signals is improved, and the accuracy of detection data is improved; when the handheld device is not used, the signal antenna 9 is contracted, then the signal antenna 9 is rotated to keep the signal antenna horizontal, and the sliding rod is pushed inwards, so that the signal antenna 9 is completely accommodated in the mounting groove 5, the occupied space is small, and the carrying is convenient.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.
Claims (6)
1. Portable low voltage electric network running state on-line monitoring device, its characterized in that: the system comprises low-voltage power grid operation state online monitoring equipment and handheld equipment; the low-voltage power grid operation state online monitoring equipment comprises a detection unit and a host;
the detection unit is connected with a measuring point of the branch circuit and is used for data detection of the branch circuit;
the host computer comprises a central processing unit, a memory, a communication board and a power supply, wherein the central processing unit is connected with a detection unit and used for receiving and processing detection data, the memory is connected with the central processing unit and used for storing the detection data, and the communication board is connected with the central processing unit and used for forming communication connection with the handheld device.
2. The mobile low-voltage power grid operation state online monitoring device according to claim 1, characterized in that: the detection unit includes a current detection portion and a voltage detection portion.
3. The mobile low-voltage power grid operation state online monitoring device according to claim 1, characterized in that: the host machine also comprises a display panel, and the display panel is connected with the central processing unit and used for displaying the detection data in real time.
4. The mobile low-voltage power grid operation state online monitoring device according to claim 1, characterized in that: the handheld device comprises a shell (1), wherein one side of the shell (1) is provided with a mounting groove (5), a signal antenna (9) is installed in the mounting groove (5), and the signal antenna (9) is provided with a first position extending out of the mounting groove (5) and a second position accommodated in the mounting groove (5).
5. The mobile low-voltage power grid operation state online monitoring device according to claim 4, characterized in that: a fixed block (6) and a sliding rod (8) are arranged in the mounting groove (5); fixed block (6) fixed mounting is at the inner wall of mounting groove (5), and sets up spout (7) that are "protruding" font in the fixed block outside, slide bar (8) one end correspondence is the T type, can follow spout (7) and control the action of sliding, signal antenna (9) rotate and install the other end at slide bar (8), and signal antenna (9) adopt retractable signal antenna.
6. The mobile low-voltage power grid operation state online monitoring device according to claim 5, characterized in that: a through hole is formed in one end of the signal antenna (9), a bearing (10) is fixedly mounted in the through hole, and one side of the sliding rod (8) penetrates through an inner ring of the bearing and is welded with the inner ring of the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021335653.2U CN212518543U (en) | 2020-07-09 | 2020-07-09 | Mobile low-voltage power grid running state on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021335653.2U CN212518543U (en) | 2020-07-09 | 2020-07-09 | Mobile low-voltage power grid running state on-line monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN212518543U true CN212518543U (en) | 2021-02-09 |
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| CN202021335653.2U Active CN212518543U (en) | 2020-07-09 | 2020-07-09 | Mobile low-voltage power grid running state on-line monitoring device |
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| CN (1) | CN212518543U (en) |
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- 2020-07-09 CN CN202021335653.2U patent/CN212518543U/en active Active
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